38605185

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 69683328

約数和(自身を除く): 31078143

約数列:

[1, 3, 5, 9, 15, 43, 45, 71, 129, 213, 215, 281, 355, 387, 639, 645, 843, 1065, 1405, 1935, 2529, 3053, 3195, 4215, 9159, 12083, 12645, 15265, 19951, 27477, 36249, 45795, 59853, 60415, 99755, 108747, 137385, 179559, 181245, 299265, 543735, 857893, 897795, 2573679, 4289465, 7721037, 12868395, 38605185]

約数ペア:

[(1, 38605185), (3, 12868395), (5, 7721037), (9, 4289465), (15, 2573679), (43, 897795), (45, 857893), (71, 543735), (129, 299265), (213, 181245), (215, 179559), (281, 137385), (355, 108747), (387, 99755), (639, 60415), (645, 59853), (843, 45795), (1065, 36249), (1405, 27477), (1935, 19951), (2529, 15265), (3053, 12645), (3195, 12083), (4215, 9159)]